isabela

what is the value of 1.555 50 is the place I need t o know the value of please help me -

Martha's $18,750 is invested in two accounts, one earning 12% interest and the other earning 10%. After 1 year, her combined interest income is $2,117. How much has she invested at each rate?

Steve has $24,000 invested in two accounts. One earns 6% annual interest and the other earns 7%. After 1 year, his combined interest is $1635. How much was invested in each account?

A ray of light traveling in air strikes a flat 2 cm thick block of glass (n=1.50) at an angle of 30° with the normal. Trace the light ray through the glass, and find the angles of incidence and refraction at each surface.

I thought it was one and five hundredths fifty five thousandths an I right please b honest